JP2014187134A - 電波吸収体 - Google Patents

電波吸収体 Download PDF

Info

Publication number
JP2014187134A
JP2014187134A JP2013060261A JP2013060261A JP2014187134A JP 2014187134 A JP2014187134 A JP 2014187134A JP 2013060261 A JP2013060261 A JP 2013060261A JP 2013060261 A JP2013060261 A JP 2013060261A JP 2014187134 A JP2014187134 A JP 2014187134A
Authority
JP
Japan
Prior art keywords
radio wave
wave absorber
molded body
mass
porous molded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2013060261A
Other languages
English (en)
Japanese (ja)
Inventor
Keita Hirose
敬太 廣瀬
Takashi Ono
敬 小野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riken Corp
Original Assignee
Riken Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Riken Corp filed Critical Riken Corp
Priority to JP2013060261A priority Critical patent/JP2014187134A/ja
Priority to EP14152426.4A priority patent/EP2782436A2/en
Priority to CN201410042503.5A priority patent/CN104066309A/zh
Priority to US14/205,899 priority patent/US20140354463A1/en
Publication of JP2014187134A publication Critical patent/JP2014187134A/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0081Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/009Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive fibres, e.g. metal fibres, carbon fibres, metallised textile fibres, electro-conductive mesh, woven, non-woven mat, fleece, cross-linked

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Compositions Of Oxide Ceramics (AREA)
JP2013060261A 2013-03-22 2013-03-22 電波吸収体 Pending JP2014187134A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013060261A JP2014187134A (ja) 2013-03-22 2013-03-22 電波吸収体
EP14152426.4A EP2782436A2 (en) 2013-03-22 2014-01-24 Radio wave invention
CN201410042503.5A CN104066309A (zh) 2013-03-22 2014-01-28 电波吸收体
US14/205,899 US20140354463A1 (en) 2013-03-22 2014-03-12 Radio wave absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013060261A JP2014187134A (ja) 2013-03-22 2013-03-22 電波吸収体

Publications (1)

Publication Number Publication Date
JP2014187134A true JP2014187134A (ja) 2014-10-02

Family

ID=50023431

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013060261A Pending JP2014187134A (ja) 2013-03-22 2013-03-22 電波吸収体

Country Status (4)

Country Link
US (1) US20140354463A1 (zh)
EP (1) EP2782436A2 (zh)
JP (1) JP2014187134A (zh)
CN (1) CN104066309A (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015049760A1 (ja) * 2013-10-03 2015-04-09 エヌ・ティ・ティレゾナント・テクノロジー株式会社 電子機器収納用の電波暗室ボックス
CN105152124A (zh) * 2015-08-04 2015-12-16 上海交通大学 利用深硅刻蚀技术存储CNTs的方法
CN108353523B (zh) * 2015-11-25 2020-02-25 株式会社巴川制纸所 匹配型电磁波吸收体
CN106163247A (zh) * 2016-07-18 2016-11-23 福建星宏新材料科技有限公司 一种宽频域吸波材料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4697829B2 (ja) * 2001-03-15 2011-06-08 ポリマテック株式会社 カーボンナノチューブ複合成形体及びその製造方法
JP2003115693A (ja) 2001-10-03 2003-04-18 Tdk Corp 電波吸収体およびその製造方法
EP2504164A4 (en) * 2009-11-23 2013-07-17 Applied Nanostructured Sols CERAMIC COMPOSITE MATERIALS CONTAINING FIBER MATERIALS IMPREGNATED WITH CARBON NANOTUBES AND METHODS OF MAKING SAME

Also Published As

Publication number Publication date
EP2782436A2 (en) 2014-09-24
US20140354463A1 (en) 2014-12-04
CN104066309A (zh) 2014-09-24

Similar Documents

Publication Publication Date Title
JP5583718B2 (ja) 電波吸収体
Liang et al. Tunable dielectric performance derived from the metal–organic framework/reduced graphene oxide hybrid with broadband absorption
Kumar et al. Excellent EMI shielding performance and thermal insulating properties in lightweight, multifunctional carbon-cenosphere composite foams
Zhou et al. Silica-modified ordered mesoporous carbon for optimized impedance-matching characteristic enabling lightweight and effective microwave absorbers
Liu et al. Biomorphic porous graphitic carbon for electromagnetic interference shielding
Ye et al. Novel three-dimensional SiC/melamine-derived carbon foam-reinforced SiO2 aerogel composite with low dielectric loss and high impedance matching ratio
Kumar et al. Improved microwave absorption in lightweight resin-based carbon foam by decorating with magnetic and dielectric nanoparticles
Long et al. Dielectric response and electromagnetic wave absorption of novel macroporous short carbon fibers/mullite composites
JP2014187134A (ja) 電波吸収体
Su et al. Effect of carbon black on dielectric and microwave absorption properties of carbon black/cordierite plasma-sprayed coatings
Zhou et al. Synthesis and electromagnetic interference shielding effectiveness of ordered mesoporous carbon filled poly (methyl methacrylate) composite films
JP2014192327A (ja) 近傍界用電波吸収シートおよびその製造方法
Wang et al. Temperature dependence of the electromagnetic and microwave absorption properties of polyimide/Ti 3 SiC 2 composites in the X band
Singh et al. Enhanced microwave absorption performance of SWCNT/SiC composites
Dijith et al. Conducting La0. 5Sr0. 5CoO3− δ foams for harsh condition microwave shielding
Du et al. FeCo/Graphene nanocomposites for applications as electromagnetic wave-absorbing materials
Lu et al. Review of dielectric carbide, oxide, and sulfide nanostructures for electromagnetic wave absorption
Zhang et al. Large Microsphere Structure of a Co/C Composite Derived from Co-MOF with Excellent Wideband Electromagnetic Microwave Absorption Performance
Ha et al. Feasibility of as-prepared reticulated porous barium titanate without additional radar-absorbing material coating in potential military applications
Vergara et al. Frequency selective surface properties of microwave new absorbing porous carbon materials embedded in epoxy resin
JP2007019287A (ja) 誘電損失材料とそれを用いた電磁波吸収体
Ha et al. A cobalt-coated reticulated porous alumina for radar-absorption applications
JP5735163B1 (ja) 電波吸収体用導電性スラリー及び電波吸収体
Gultom et al. Preparation and characterization of microwave-absorption of Sarulla North Sumatra Zeolite and ferric oxide-filled polyurethane nanocomposites
Sahu et al. Polymer composites for flexible electromagnetic shields